Home Herbs Index K Khatmi (Althaea officinalis) (Marsh Mallow) AllABCDEFGHIJKLMNOPQRSTUVWXYZ Khatmi (Althaea officinalis) (Marsh Mallow) Pharmacological action: Suppurative, repercussive, emollient, expectorant. Medicinal use: Effective in pharynx and chest congestion, bronchitis, sciatica, rheumatism, pneumonia.